Structural member.



, J. KAI-IN & T. H.'KANE.

STRUCTURAL MEMBER. APPLICATION FILED SEPT. 26, 1913.

1,085,429. Patented Jan 27, 1914.

WITNESSES} INVENTORS.

To all'wh'om-z'tmay concern:

structed'. by roll'in latera v 'large1nent,;-and' an edge plate atsnbstan; 't-ially. right angles to th'e'web member and plates of the fstructriire. v

UNITED -.-.STFA PAT unmsxenn'; or nna'no nr Mmmenm, rnoms'nnnny KANE, or younss'rown,

OFFICE;

OHIO.

sriwcrnml. MEMBER.

a Specification pf Letter-s Pa'tjen't. A sn-mm filed September 26, 1913. Serial not 791,915.

Patented Jan. 27,1914;-

Be it knownhthatwegJtmw's Knn'n, a

citizen of the-United States; residing. at Detr0it','inthe county oiWayne, and 'Stateof Michigan, 'and TnomAsHlKnns; 1a citi-- zen of the United StatesQre'siding at Youn'gstown,- in the county 'of Mahoningand State.

of Ohiophave-invented' anew and useful member .consistingfbf a fl at Web member an enlarged longitudinal. edge and having 1y extending flanges adj acent'suehen having parallel longitudinal .flan'ges'along" themiddle' of one side, spaced. to receive the enlarged edge offthe web .meinber, said pai allel' flanges being bent to fit around )said enlarge1nent,'and-: th'efflang'es of the Web beihgbentflat against-the edge .portions of. the parallelfiange'sto lq'cks'thein "pos ition.n i I I a I ln theiaceompanjzing dra ingfFigure l is a perspective of this, improved structural member. Fig. 2 is an end viewiof th'e! Web ,niemberbefore the flanges arei'bent. F 3'is,=an e d View of-the'bar-forin ng 'the'edge Similar reference.characters refer to like parts throughoubthe severalwiews Beams and' columns have been constructed with webhnembers having enlarged ed'ges, combinedw'ith" flanged' plates eXtending 'alonglthe, edges-of"- the web meinbers and having their flanges bent-around the en-' 4 .vents such separation by means of auxiliary larged edges." This ty-pe 'of const'rnctioniis;

objectionable in many cases becailse the flanges are liable-to-bend away from 'th,

web members. The present, structure preflanges onvthe web mem ers which are folded down onto the-flanges of the -edge plat es, preventing them from separating'from the guch "flanges a, double -lock between the mem' 'GISLJ -.'The web members and side plates-may be rolled-out in the form of bars having, cross sections such as Shown, i The web 1 may have; enlarged edges 2 and" flanges The side "plates 5% may have flanges 5 spaced to receivathe" enlarged edges" parts2 ofthe web nernbers' -are placed ;between the flanges 5, and these flanges are bent to fit- [around the enlargements-a shown in .Fig. 1. --After this, the'jflange's are'bent down -pata'll'el to eachoth'er onto 70 the .oi ter -edges of the fiangesfi. a It is ap-' parent that a T'beamwmay b'e constructed by'un-itlnga web'ineniber and one of the side plates, and that the'use-"of twoside structu're may; be used .115 acol'u m n The s'tresst'o separate thefflaiigesf and the "betwenithese flanges anddhe" plate 44, and

the flanges 3 with the 'outer edges'of ,the flanges 5 Will-be mostadvantageous because of the leverage'diie-to the-distance from the tural memberis to be used as a bean proportions of the varioiis partsfmay :be

without departing from the spirit of; our-invention. lveclaimz a v [1. In a structural member, the combina tion of a'web "member haying enlarged edges 95 and flanges adjacent such enlarged edges, and; edge plates having flanges extending "along the. enlarged. edges-and bent down' onto said edges, the flanges of the'web memse ate a 2. In .a' structural member, the combina ,tion,'of a web member having an enlarged edge and longitudinal lateraliflanges, andan ten s, the .par'allel. flangesof the edge plate being jbfent tofit around. sa-id enlargement;

web andythus, in effect; constituting with Figs. 2 and 3X60 instructed, the

plates t ill 'pr duce an I beam, or that such Web 1 is greate t near the'line o'f connection therefore, the effect of the engagement of plate 4,- The resultant structure is one ,of great :stlfiness and the Various parts are '86' rigidly locked together, Whenlthe 'stnu'cv" flanges 6 may, be omitted; Thesizes, and

. modified by' engineersas -fouml desirable ber .beingbent toengage the fi'anges' on the edge plate. having. parallel :flongitudinzilibb flan es'betwen Which'such enlargement eX-.i'

and the flanges on the web member being bent to lie against the edges of the parallel flanges.

3. In a structural member, the combination of a central member comprising a plate having parallel enlarged edges and pairs of laterally extending flanges adjacent said edges, and a pair of side members at right angles to the central member, each comprising a plate having parallel flanges extending from one side and spaced to receive the enlarged edges of the central member, the parallel flanges of the side members being bent to fit around-the enlarged ed es of the central member and the flanges 0 the central member being bent down parallel to each other against the flanges ,of the side members.

4. In a structural member, the combina-.

tion of a central member comprising a web plate, rectangular ribs along the edges thereof, and pairs of laterally extending flanges adjacent and parallel to the ribs, and a pair of side plates at right angles to the cei tral member, each having a pair of parallel flanges fitting around the. ribs and. having their edges in engagement ifvith the web plate, the flanges of the central member being bent to engage those adjacent portions of the flanges of the side plates that fit against the web plates.

In testimony whereof we have each signed this specification in the presence of two subscribing witnesses.

' JULIUS KAHN.

THOMAS HENRY KANE. WVitnesses' as to the signature of Julius Kahn':

HUGO -W. KREINBRING, L. M. SPENCER. \Vitnesses as to the signature of Thomas Henry Kane:

O. P. HADDON, Hnnwre GENSIRT. 

